{%  extends "base.html" %}

{% block site_name %}管理界面{% endblock %}
{% block header %}管理员模式{% endblock %}
{% block left_body %}
        <ul class="nav flex-column nav-pills">
        <li class="nav-item">
            <a  class="nav-link active" href="/">转到主界面</a>
        </li>
          <li class="nav-item">
            <a  class="nav-link" href="/admin/">转到管理界面</a>
          </li>
        </ul>
{% endblock %}

{% block right_body %}

只需要处理右半边就行

{% endblock %}